package com.school.service;

import com.school.entity.web.HljtGradeInfo;

public interface HljtGradeClassService {

	
	String findAllGrades();
	
	String insertGrade(String strGrade);
	
	String updateGrade(HljtGradeInfo oHljtGradeInfo);
	
	String deleteGrade(HljtGradeInfo oHljtGradeInfo);

}
